Cash and cash equivalents - Currency profiles of cash and cash equivalents (Details) - USD ($)	Dec. 31, 2024	Jun. 30, 2024
Cash and bank balances
Cash and short-term deposit	$ 9,326,072	$ 6,766,347
United States Dollar
Cash and bank balances
Cash and short-term deposit	9,047,212	6,579,951
Singapore Dollar
Cash and bank balances
Cash and short-term deposit	167,380	118,618
Hong Kong Dollar
Cash and bank balances
Cash and short-term deposit	103,792	63,972
Others
Cash and bank balances
Cash and short-term deposit	$ 7,688	$ 3,806

Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

No definition available.

Name:	ambr_IfrsCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
Namespace Prefix:	ambr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant